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Transcription and Regulation

Transcription and Regulation
Transcription factors are

TATA boxes
proteins which bind to DNA and regulate transcription
promoters
CATT boxes

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Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

CATT
SV40 region
Shine Dalgarno region
TATA box

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Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

none of these
RNA polymerase III
RNA polymerase II
RNA polymerase I

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Transcription and Regulation
Which of the following is necessary for transcription to occur?

DNA molecule
Both DNA & RNA polymerase
RNA polymerase
DNA polymerase

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

alpha subunit
beta subunit
both (a) and (b)
sigma subunit

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Transcription and Regulation
Transcription of each set of rRNA genes by RNA polymerasel produces

a single 28S rRNA precursor molecule
a single 18S rRNA precursor molecule
a single 45S rRNA precursor molecule
a single 5S rRNA precursor molecule

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